67315933 has 2 divisors, whose sum is σ = 67315934. Its totient is φ = 67315932.

The previous prime is 67315877. The next prime is 67315939. The reversal of 67315933 is 33951376.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64432729 + 2883204 = 8027^2 + 1698^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67315933 is a prime.

It is equal to p_3969343 and since 67315933 and 3969343 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 67315892 and 67315901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67315939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33657966 + 33657967.

It is an arithmetic number, because the mean of its divisors is an integer number (33657967).

Almost surely, 2^67315933 is an apocalyptic number.

It is an amenable number.

67315933 is a deficient number, since it is larger than the sum of its proper divisors (1).

67315933 is an equidigital number, since it uses as much as digits as its factorization.

67315933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51030, while the sum is 37.

The square root of 67315933 is about 8204.6287545507. The cubic root of 67315933 is about 406.7922057847.

The spelling of 67315933 in words is "sixty-seven million, three hundred fifteen thousand, nine hundred thirty-three".